'Other' Construction and Allied Systems Info & Downloads

Tuba Construction Sets

Tuba is a constructional system using tubes and small plates. It was made in Germany in around 1933 to 1935.


Info from the Metal Constructional Systems Database

Maker
 
System Type
Mainly Rods/Tubes
Country
Germany
Dates
1933 (see comment *1) to known in 1935
Material
Steel / Wood
Thread
----
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
23
Hole Pitch (Spacing) (mm)
20.0
Diameter of holes in Strips(mm)
5.8 (see comment *2)
Diameter of the Bore in Bosses(mm)
5.9
Diameter of Axle Rods(mm)
5.5
Types of Nuts and Bolts
Nuts: --
Bolts: --
Material/Finish of Nuts and Bolts
--  --
Size of the Nuts across Flats (mm)
---
Bolt diameter (mm)
---

Comments
5.5mm Tubes joined with fold over Clips, Flex Plates, wood Pulleys held on Tubes by cone Clips. Coloured parts reported but probably not likely. Sold in United Kingdom '34-5. *1 Patent date. *2 In Flex Plates, no Strips.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided


Below there are various manuals/leafets which can be downloaded by clicking on the appropriate image.


The Tuba manual
(Scans from Jean-Pierre)

The Tuba UK patent.
(Scans from Urs Flammer)

The Tuba USA patent.
(Scans from Urs Flammer)

Various photos of the Tuba construction system.
(Photos from Urs Flammer)